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Speaker 2: best connected life.

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Speaker 3: Do you ever wonder what your life would have been

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Speaker 3: like if you had made different choices?

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Speaker 1: You mean, like if I had tea this morning instead

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Speaker 1: of coffee?

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Speaker 4: Yeah?

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Speaker 3: No, Like if six hundred people had voted differently in

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Speaker 3: Florida in the year two thousand.

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Speaker 1: Well, the whole world would be different in that case.

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Speaker 1: Sometimes I wonder what would have happened if I didn't

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Speaker 1: go on that first day with my spouse, or you know,

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Speaker 1: we went to a different restaurant or went for coffee

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Speaker 1: instead of.

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Speaker 3: Dinner, Yeah I know, Or like if you had conceive

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Speaker 3: your children one minute earlier or a minute later.

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Speaker 1: It's incredible thinking about all the other different lives you

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Speaker 1: might have lived. But the amazing thing is that there

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Speaker 1: are some physicists out there that think that those other

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Speaker 1: yous they might be real. They might be out there,

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Speaker 1: they might be living your other lives.

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Speaker 3: And this is not a theory or an idea. They

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Speaker 3: think it might be reality.

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Speaker 1: That's right, somewhere out there, there's another podcast talking about

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Speaker 1: whether you might be real.

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Speaker 3: I am Hooorhe number one thousand and seventy six, And

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Speaker 3: in this universe, I am a cartoonist.

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Speaker 1: And I'm Daniel number zero, and I'm a particle physicist.

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Speaker 1: I smashed particles together that large hadron collider.

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Speaker 3: Oh wow, so this time I get we get Daniel

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Speaker 3: number zero like the original.

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Speaker 1: This is the prototype. Yes, so you know it might

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Speaker 1: not all be functioning. There's still some bugs being worked out.

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Speaker 1: This is a beta version of Daniel.

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Speaker 3: Daniel zero point zero, Daniel the Mold, And this is

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Speaker 3: our podcast Daniel and Jorge explain the universe.

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Speaker 1: And this time we're not just gonna take the universe

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Speaker 1: and explain it to you in a way that actually

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Speaker 1: makes sense. We're gonna go bigger. We're gonna go beyond,

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Speaker 1: We're gonna go multi, We're going.

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Speaker 5: Plaid beyond the universe. Bigger than the universe, that's right,

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Speaker 5: Bigger than the universe. We're gonna think about the depths

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Speaker 5: of infinity. What is infinity? How far can you go?

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Speaker 5: How infinite is the universe? Are there other universes out there?

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Speaker 5: I know this sounds like a crazy call in show

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Speaker 5: you might have at three in the morning on an

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Speaker 5: AM radio station, but it's a real science podcast to

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Speaker 5: be on the program.

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Speaker 3: The multiverse, ultiverse, multiverse.

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Speaker 1: It's echoing through all those other universes.

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Speaker 3: Right, Oh, that's right.

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Speaker 1: Yeah. The multiverse is an amazing concept, mostly because it

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Speaker 1: gets you to think about the concept of infinity. You

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Speaker 1: know how if things really go on forever and you

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Speaker 1: get to try everything, then anything that's possible eventually will happen.

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Speaker 3: No matter how improbable, it's probably happening in an infinite multiverse.

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Speaker 1: That's right. That's the wonderful, mind bending concept of the

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Speaker 1: of the multiverse. That's what makes it such an attractive,

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Speaker 1: like philosophical idea. I mean, the multiverse is really penetrated

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Speaker 1: into into culture. And I know that because when I

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Speaker 1: was typing multiverse into my phone, it auto corrected for

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Speaker 1: multiverse like that's a word in my phone's library, which means,

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Speaker 1: you know, it must be a real thing, right.

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Speaker 3: So not multiplication not you know something basic the multiverse

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Speaker 3: was to go to with multi.

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Speaker 1: Yeah, it's a really smart device, like, oh, are you

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Speaker 1: talking about the multiverse? Yeah, yeah, let's complete the multiverse.

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Speaker 1: My phone is totally ready for this podcast.

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Speaker 3: I know all about the multiverse. The machines know.

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Speaker 1: That's right. So in today's episode, we thought we would

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Speaker 1: take the concept of the multiverse and break it down

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Speaker 1: for you. Explain to you what is it, Why is

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Speaker 1: it a real thing? Why do scientist talk about it?

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Speaker 1: And are they actually crazy?

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Speaker 3: Is it even possible that there is more than one

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Speaker 3: universe out there?

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Speaker 1: That's right? Does not even make sense?

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Speaker 3: And as usual, Daniel went out and asked people on

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Speaker 3: the street if they knew what the multiverse was.

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Speaker 1: Before you hear them, think to yourself, what is your

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Speaker 1: idea of the multiverse? How would you answer this question?

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Speaker 3: Here's what people had to say.

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Speaker 1: Do you know what the multiverse is? Not? Really? Have

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Speaker 1: you heard of the multiverse?

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Speaker 6: No?

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Speaker 1: I haven't you heard of the multiverse?

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Speaker 7: No?

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Speaker 1: No?

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Speaker 8: No?

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Speaker 6: Wow. My impression from having been around this kind of

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Speaker 6: science for a few years is that it's a bit

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Speaker 6: fantastical and it does not seem likely to be the truth.

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Speaker 3: I think of it as like clus series of like

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Speaker 3: our universes are like all kind of connect to each other,

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Speaker 3: bar separate. That's from comic books, isn't it okay? So

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Speaker 3: most of the people didn't seem to know what the

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Speaker 3: multiverse was, which was surprising to me as a comics

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Speaker 3: fan who was very familiar with the DC Universe, multiverse

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Speaker 3: and the Marvel multiverse.

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Speaker 1: That was my favorite answer, the one person who said,

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Speaker 1: isn't that a thing from comic books? I love that answer.

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Speaker 1: I love that answer, and I should reveal a secret way,

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Speaker 1: which is one of these answers was from my wife. Oh,

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Speaker 1: I will not tell you which one. I will not

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Speaker 1: tell you which one, and for the purpose of continuing

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Speaker 1: her anonymity, but one of those.

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Speaker 3: Is her answers interesting? You mean the one with the

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Speaker 3: beautiful voice, right.

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Speaker 1: The one where she's like, this is a ridiculous question,

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Speaker 1: and I can't believe you're interviewing me for your podcast.

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Speaker 1: So many better things to do.

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Speaker 3: I'm trying to make dinner here now.

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Speaker 1: I make dinner. Excuse me, No, no, I make dinner.

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Speaker 1: I interviewed her while I was making dinner. Oh right, anyway,

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Speaker 1: But a lot of people. Yeah, do they just haven't

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Speaker 1: even heard of it, right, Like, yeah, some people haven't

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Speaker 1: heard it at all.

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Speaker 3: Yeah, it's in because and this is one of these

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Speaker 3: words that you would think sort of explain itself just

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Speaker 3: with the word multiverse, like a multiple universe, and nobody

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Speaker 3: sort of even try to guess.

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Speaker 1: I don't know. I don't think that explains itself. I mean,

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Speaker 1: if you ask me the question what is on multiverse?

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Speaker 1: I might say it's a poem with multiple stanzas, you know,

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Speaker 1: like multiverse. I wouldn't necessarily think crazy physics theory that

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Speaker 1: spans the depths of infinity or comic book and concepts.

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Speaker 1: And you know, I have a quibble with the word,

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Speaker 1: you know, like if universe is supposed to mean everything,

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Speaker 1: then how can there by definition be a multiverse, right,

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Speaker 1: Like you can't have multiple everything's.

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Speaker 3: It's like a universe, that's right.

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Speaker 1: If I say give me all your money, and you

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Speaker 1: give me all your money and then and then you

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Speaker 1: still have money, then you haven't really given me all

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Speaker 1: your money, right. I want to I want to rob

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Speaker 1: the multi base?

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Speaker 3: What is the multiverse?

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Speaker 1: The multiverse is a concept in physics which tries to

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Speaker 1: grapple with infinity, and it grapples with infinity in multiple

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Speaker 1: different ways. So there's the multiverse, but it's actually multiple

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Speaker 1: different multiverse theories, right, But they all share one thing

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Speaker 1: in common, which is that they're trying to explain when

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Speaker 1: there's an arbitrariness. They're trying to grapple with the fact

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Speaker 1: that our universe seems random, like it's this way and

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Speaker 1: not that other way. The way they explain that is

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Speaker 1: by suggesting maybe every way is explored by the multiverse,

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Speaker 1: and we just happen to live in this one, right.

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Speaker 1: And so when you find something in the universe which

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Speaker 1: seems like it could have been different, and you'll wonder

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Speaker 1: why is it this and not something else, the multiverse

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Speaker 1: is there to coddle you and say, well, maybe everything

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Speaker 1: is explored somewhere, and there's no reason for it to

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Speaker 1: be this and not the other. It's just random.

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Speaker 3: Right. So that's kind of the reason why physicists considerate.

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Speaker 3: But as a concept, what does it mean. It means

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Speaker 3: multiple universes, right, that's it's a contraction of multiple universes.

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Speaker 1: Yeah, it means multiple universes. But then again, different physicists

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Speaker 1: mean different things by that. And so there's a guy

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Speaker 1: named Max Tegmark. He's a really smart guy. I read

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Speaker 1: his book. It's called Our Mathematically Universe, and it's a

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Speaker 1: fascinating book. It's like six hundred pages. It's well, it's

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Speaker 1: well written. But in it he has a really nice

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Speaker 1: categorization of the different kinds of multiverses. So I thought

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Speaker 1: we'd follow that.

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Speaker 3: Okay, so wait, there's like multi multiverses.

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Speaker 1: That's right, multi multi multiverse.

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Speaker 3: The uni multi multi universe.

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Speaker 1: That's right, exactly. They all have the same agent actually,

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Speaker 1: so you can just pay them all directly.

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Speaker 3: Okay, So there's you're saying, there's a way to classify

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Speaker 3: the different versions of the idea of the multiverse.

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Speaker 1: Yeah, that's right.

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Speaker 3: I feel like we're like three layers into the inception.

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Speaker 1: Here, be prepared for more levels.

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Speaker 3: I mean, talk about what it like, what is one

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Speaker 3: what is one version of the multiverse. It's like the

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Speaker 3: idea that there are multiple versions of like like our

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Speaker 3: universe is just one version of the universe and there

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Speaker 3: might be other versions of the universe out there. Right,

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Speaker 3: that's the kind of basic idea, right.

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Speaker 1: That's the whole overall arching framework. But what the multi

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Speaker 1: means depends on what you mean by the uni. Right.

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Speaker 1: So for example, so let's get concrete, right, all right,

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Speaker 1: some people think about the observable universe, it's our universe.

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Speaker 1: That's just everything we can see.

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Speaker 3: Right.

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Speaker 1: Remember, you can't see the whole universe because light doesn't

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Speaker 1: travel infinitely fast. It travels at the speed of light,

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Speaker 1: and so you can only see as far as light

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Speaker 1: has had time to travel in the history of the universe.

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Speaker 3: Right, it's all everything we can see, because there might

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Speaker 3: be stuff that we can't see in the universe.

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Speaker 1: Exactly, there's other stuff out there. Now. Some people think, oh,

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Speaker 1: the multiverse is all these different bubbles. There's like my

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Speaker 1: observable universe, and then somewhere super far away, maybe there's

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Speaker 1: another me, and that other me has an observable universe

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Speaker 1: that's centered around them, Okay, And so from that concept,

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Speaker 1: the multiverse is probing the fact that the universe seems

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Speaker 1: to have started randomly, like why do we have the

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Speaker 1: Milky Way, and why does the Milky Way look the

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Speaker 1: way it does and not like another galaxy? You can

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Speaker 1: trace that all the way back to like the initial

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Speaker 1: conditions of the universe. The arrangement of molecules in the

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Speaker 1: very very early universe, which inevitably led to the Milky Way.

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Speaker 1: What if that arrangement had been a tiny bit different, right,

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Speaker 1: You've had coffee instead of tea, you had taken that

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Speaker 1: break differently, or whatever, some tiny thing had been different

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Speaker 1: than the Milky Way would look different. So that simplest

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Speaker 1: multiverse is just a way of saying every possible initial

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Speaker 1: condition for the universe started somewhere else, and so all

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Speaker 1: those other possibilities might be out there. There's a version

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Speaker 1: of Jorge, you know, with the blonde hair, and there's

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Speaker 1: a version of the of the Earth where there's big

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Speaker 1: flying blue dragons streaking through the sky all the time. Right.

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Speaker 3: But you're sort of assuming that the space we're in

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Speaker 3: our universe goes on forever infinity. Yes, And you're saying

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Speaker 3: that a version of the multiverse is one in which

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Speaker 3: if you just keep going in one direction, at some

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Speaker 3: point things will start to kind of repeat itself, but

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Speaker 3: maybe not quite the same way, that's.

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Speaker 1: Right, because they start from different initial conditions.

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Speaker 3: Right, Okay, but there's still the same universe.

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Speaker 1: Yeah, it's the same space, right.

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Speaker 3: Okay, So that's one idea.

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Speaker 1: So it's the same space and the same laws of physics.

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Speaker 1: But remember, what is the concept that that answers? What? What?

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Speaker 1: What problem in physics? Does that address the problem in

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Speaker 1: physics and addresses is the fact that, you know, we

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Speaker 1: don't know why we have this set of initial conditions

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Speaker 1: and not some other. Right, why are the particles that

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Speaker 1: started off this observable universe arranged in that way and

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Speaker 1: not another? And this is just the way of saying

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Speaker 1: it doesn't matter because every possibility is tried, so we

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Speaker 1: don't have to answer that question anymore.

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Speaker 3: But why do physicists have so much trouble with this concept?

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Speaker 3: Like why couldn't we just be a random role of

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Speaker 3: to die? And that's just the way it is. Why

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Speaker 3: does it need whether is it? Why does there need

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Speaker 3: to be every possible role of to die?

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Speaker 1: Are you you're basically asking me why do physicists look

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Speaker 1: for answers? Right? I mean that's what job. You know,

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Speaker 1: you look at the universe and say why is it

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Speaker 1: this and not that? Is there meaning to it? Or

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Speaker 1: is it random? Right? Because if there's meaning to it,

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Speaker 1: then you can get some insight. You could have just said, hey, look,

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Speaker 1: there's a one hundred elements in the periodic table and

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Speaker 1: that's all there is, and why that hundred elements?

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Speaker 7: I don't know.

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Speaker 3: It's just random, right, Well, I mean no, I mean

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Speaker 3: in the sense that it could be. It's like I

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Speaker 3: have five dollars in my pocket, and you know, I

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Speaker 3: could spend time thinking about why I have five dollars,

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Speaker 3: or I could spend an infinite amount of time thinking

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Speaker 3: about why I don't have six dollars, seven dollars, eight dollars,

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Speaker 3: ten dollars. Do you know what I mean? Like, why

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Speaker 3: can't I just be happy that with the fact that

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Speaker 3: I have five dollars?

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Speaker 1: Well, I think you hit the nail ahead. Physicists are

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Speaker 1: never happening. That's the problem, and they don't have anything

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Speaker 1: due to our deep seated depression that we need to

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Speaker 1: answer this question. No, we want to know why, and

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Speaker 1: the answer it's just a random choice is not satisfied.

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Speaker 3: Okay, but this seems to be like the most vanilla

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Speaker 3: version of the multiverse. You're just saying that the multiverse.

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Speaker 3: One version of the multiverse is just that it's so

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Speaker 3: big and there's sort of different neighborhoo where different things

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Speaker 3: could have happened.

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Speaker 1: That's right, So that's the most vanilla. So now let's

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Speaker 1: go to chocolate chip. Let's get to the slightly more

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Speaker 1: interesting multiverse.

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Speaker 3: It's adds in flavor.

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Speaker 1: What if in other parts of space, deep deep, deep,

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Speaker 1: far away, maybe it wasn't just the initial conditions of

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Speaker 1: where the how the particles were arranged, but maybe the

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Speaker 1: constants of the laws of physics themselves are different. Like

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Speaker 1: what if the mass of an electron is different a

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Speaker 1: bajillion light years away, or the strength of gravity is

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Speaker 1: different bijillion light years away.

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Speaker 3: Because there's nothing that says that's not possible.

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Speaker 1: There's nothing that says that's not possible. Because these numbers,

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Speaker 1: we have no reason to explain what the mass of

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Speaker 1: the electron is, we have no reason to explain why

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Speaker 1: gravity has the strength it does. And so you think, well,

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Speaker 1: maybe they're just random. So that's a way to answer.

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Speaker 1: You say, well, oh, it's just a random number. And

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Speaker 1: every possibility is tried eventually, and we're just in the

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Speaker 1: one that happens to be this one.

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Speaker 3: We're just in the neighborhood where the electron weighs, you know,

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Speaker 3: point six ev exactly.

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Speaker 1: And there's two varieties of this one, right, there's either

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Speaker 1: the laws of physics are different somewhere else in our

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Speaker 1: very very large universe, or you have like different spaces,

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Speaker 1: so like these universes are not connected, Like there's the

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Speaker 1: space of our universe, and somehow there's another universe with

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Speaker 1: a different set of laws of physics because the masses

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Speaker 1: of the electron are different and the strength of gravity

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Speaker 1: is different, and those spaces don't necessarily have to be connected.

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Speaker 3: What do you mean, like you can't travel in a

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Speaker 3: straight line from one area to the other one because

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Speaker 3: something would stop you.

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Speaker 1: Yeah, that one makes a little bit more sense, because

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Speaker 1: it's weird to have different masses of the electrons in

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Speaker 1: the same space. I mean, I guess it's possible, right,

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Speaker 1: but it's seems somehow more comforting if those other universes

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Speaker 1: with different laws of physics were somehow disconnected from ours.

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Speaker 3: Okay, but what would stop you from going to that

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Speaker 3: other universe?

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Speaker 1: Well, if it's not connected to ours, you just can't

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Speaker 1: get there, you know.

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Speaker 4: I Mean.

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Speaker 1: We had a whole podcast about like the shape of space, right,

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Speaker 1: and we talked about how could be infinite or it

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Speaker 1: could be closed. It could be that you could travel

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Speaker 1: forever and come back to where you started et cetera.

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Speaker 3: It's like close pockets of space.

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Speaker 1: Yeah, it could also be disconnected, right, you could have

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Speaker 1: two separate pockets of space that you just can't travel

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Speaker 1: from one to the other, like bubbles of space. Right.

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Speaker 1: And then if you have two, you could have three,

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Speaker 1: you could have four, you could have a jillion. Right,

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Speaker 1: why not? It's on sale. Take as many as your life.

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Speaker 3: Okay, so let's get into the other types of multiverses.

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Speaker 3: But first let's take a quick break.

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Speaker 3: Okay, so we're in the Chocolate Chip Flavor multiverse one

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Speaker 3: where we're literally the universes are like chocolate chips, you know,

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Speaker 3: like that You're like little chocolate chip sprinkled in the

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Speaker 3: ice cream of infinity.

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Speaker 1: Yeah, exactly, and each each one could be infinite, right,

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Speaker 1: and then you just you can think of them as

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Speaker 1: like layers in a pastry, or you can think of

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Speaker 1: them as as chocolate chips or something. Or you could

407
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Speaker 1: think maybe Daniel should have eaten something before he did

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Speaker 1: this podcast, or because all of his analogies seem to

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Speaker 1: be about food. But yeah, that's the general idea, okay,

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Speaker 1: that there could be other universes with different constants of

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Speaker 1: the laws of physics, which would have, you know, a

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Speaker 1: big impact, because if the electron weigh a different amount,

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Speaker 1: everything would be different, if neutrons had different if the

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Speaker 1: force of gravity or the force of the strong force

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Speaker 1: was different, the place where everything would look.

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Speaker 3: Oh, I see, because these all these numbers, you know,

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Speaker 3: these constants in the laws of physics, they seem to

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Speaker 3: be random. It's kind of what you're saying, right.

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Speaker 1: Well, they we don't have explanations for them. That's not

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Speaker 1: the same as their random, right. One explanation for not

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Speaker 1: knowing why the numbers are they are what they are is, oh,

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Speaker 1: they're random, but there is no explanation, and so we

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Speaker 1: can just sort of put the question aside, and.

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Speaker 3: I see it's possible that the electron weighs as much

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Speaker 3: because of some mathematical fundamental, you know, construction of the universe.

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Speaker 1: Yeah, exactly. Like say, for example, I lose two hundred

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Speaker 1: bucks and the very same day you tell me, hey,

428
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Speaker 1: look I found two hundred bucks. Well that could be random, right,

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Speaker 1: or there could be a simpler explanation, like you owe

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Speaker 1: me two hundred bucks, right, yeah, right, you don't sound persuaded.

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Speaker 3: I know I'm saying this is all hypothetical.

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Speaker 7: And.

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Speaker 1: Yeah exactly, so you know they actually three hundred bucks. Yeah, okay,

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Speaker 1: I'll wait for the check. I want to pay an

435
00:20:59,520 --> 00:21:03,359
Speaker 1: ice cream please. The goal of physics, remember, is to

436
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Speaker 1: explain these things. It's not just to say, well, that's

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Speaker 1: kind of a mystery head scratch, maybe it's random, right,

438
00:21:09,280 --> 00:21:11,919
Speaker 1: It's to say, what could explain it? Is there a

439
00:21:11,960 --> 00:21:15,439
Speaker 1: deeper theory of physics that doesn't have these arbitrary numbers

440
00:21:15,440 --> 00:21:17,760
Speaker 1: in it, right, that can explain why the electron is

441
00:21:17,800 --> 00:21:20,080
Speaker 1: the way it is, that exists the way it is.

442
00:21:20,160 --> 00:21:21,800
Speaker 1: That would be a better theory of physics.

443
00:21:21,920 --> 00:21:25,439
Speaker 3: Like just saying it's random, it's just not satisfactory to

444
00:21:25,480 --> 00:21:26,119
Speaker 3: a physicist.

445
00:21:26,200 --> 00:21:28,720
Speaker 1: That's right to me. It's not satisfactory at all. It's

446
00:21:28,760 --> 00:21:30,320
Speaker 1: like saying, stop asking questions.

447
00:21:30,680 --> 00:21:34,600
Speaker 3: Okay. So then you have to posit the idea that

448
00:21:34,800 --> 00:21:37,480
Speaker 3: maybe it's not random. And if it's not random, one

449
00:21:37,600 --> 00:21:40,960
Speaker 3: possible explanation is that they all exist.

450
00:21:41,359 --> 00:21:44,679
Speaker 1: You have to posit that is random and then right,

451
00:21:44,760 --> 00:21:47,280
Speaker 1: and that every possibility is tried somewhere, and that this

452
00:21:47,480 --> 00:21:51,320
Speaker 1: ours was just chosen randomly. Oh I see, okay, all right, yeah,

453
00:21:51,400 --> 00:21:53,720
Speaker 1: all right, all right, so let's go past chocolate chip.

454
00:21:53,840 --> 00:21:56,359
Speaker 3: Okay, what's another flavor of multiverse?

455
00:21:57,440 --> 00:21:59,080
Speaker 1: This is I would think say this is like the

456
00:21:59,160 --> 00:22:05,400
Speaker 1: rainbow Sherbert the multiverse favors multiverse. No, there's only four.

457
00:22:06,600 --> 00:22:10,240
Speaker 1: This one is the quantum mechanics multiverse. This one says,

458
00:22:10,640 --> 00:22:12,959
Speaker 1: you know what happens when a particle has to make

459
00:22:13,000 --> 00:22:15,960
Speaker 1: a random choice. Right, the Shortener's cat is either dead

460
00:22:16,000 --> 00:22:18,000
Speaker 1: or alive, and it's random. Right, A particle goes to

461
00:22:18,080 --> 00:22:20,480
Speaker 1: the left split or the right slit. It's random. It's

462
00:22:20,600 --> 00:22:23,399
Speaker 1: very uncomfortable for there to be no reason why it

463
00:22:23,520 --> 00:22:26,560
Speaker 1: chooses one and not the other. So this is version

464
00:22:26,600 --> 00:22:31,199
Speaker 1: of quantum mechanics called the multi world's hypothesis multi World's interpretation,

465
00:22:31,600 --> 00:22:35,280
Speaker 1: where both happen, the universe splits and both things happen,

466
00:22:35,320 --> 00:22:37,960
Speaker 1: the particle goes into the left slit and the right slit.

467
00:22:38,000 --> 00:22:40,439
Speaker 1: Shortener's cat is dead in one universe and alive in

468
00:22:40,520 --> 00:22:45,400
Speaker 1: the other one. So every quantum interaction generates another universe

469
00:22:45,640 --> 00:22:47,600
Speaker 1: where the other random thing has happened.

470
00:22:47,680 --> 00:22:52,679
Speaker 3: So every choice of every electron and quantum particle in

471
00:22:52,760 --> 00:22:57,240
Speaker 3: all of existence, every time it makes a decision, generates

472
00:22:57,240 --> 00:22:58,240
Speaker 3: a whole new universe.

473
00:22:58,480 --> 00:23:00,359
Speaker 1: Yeah, it's not a tiny theory, right, I mean we

474
00:23:00,440 --> 00:23:02,680
Speaker 1: judge these theories based on like how simple are they?

475
00:23:03,040 --> 00:23:06,920
Speaker 1: How compactly can you explain everything? And this theory generates

476
00:23:07,000 --> 00:23:11,360
Speaker 1: a whole entire universe for every particle interaction ever, right,

477
00:23:11,920 --> 00:23:14,359
Speaker 1: And that's a lot of universes, So it's not a

478
00:23:14,359 --> 00:23:15,359
Speaker 1: whole lot of simplicity.

479
00:23:15,480 --> 00:23:18,159
Speaker 3: Is the idea that they like these things get generated

480
00:23:18,320 --> 00:23:22,159
Speaker 3: or is it just that everything, every possibility exists at

481
00:23:22,200 --> 00:23:23,720
Speaker 3: the same time, do you know what I mean? Like,

482
00:23:24,080 --> 00:23:26,720
Speaker 3: is it kind of like it actually pops into existing?

483
00:23:26,960 --> 00:23:29,440
Speaker 1: Is it into the past as well as the theatre? Yeah,

484
00:23:29,760 --> 00:23:31,600
Speaker 1: I think they are created in that moment.

485
00:23:33,119 --> 00:23:35,360
Speaker 3: They only start from when the choice happened.

486
00:23:35,560 --> 00:23:37,800
Speaker 1: Yeah, because they split, right, So the number of universes

487
00:23:37,880 --> 00:23:38,320
Speaker 1: is growing.

488
00:23:38,560 --> 00:23:41,840
Speaker 3: Oh, and we all just exist at the same time,

489
00:23:42,359 --> 00:23:46,000
Speaker 3: like in the same spot in the universe in reality,

490
00:23:46,080 --> 00:23:47,240
Speaker 3: do you know what I mean? Like are we on

491
00:23:47,280 --> 00:23:47,960
Speaker 3: top of each other?

492
00:23:48,480 --> 00:23:50,800
Speaker 1: That's not a well defined question, right, We're not in

493
00:23:50,880 --> 00:23:54,679
Speaker 1: the same space because you know, our past is different

494
00:23:54,760 --> 00:23:58,320
Speaker 1: from the other universe's past, right in our in our past,

495
00:23:58,400 --> 00:24:00,480
Speaker 1: the cat is dead, or in their pass the cat

496
00:24:00,560 --> 00:24:03,359
Speaker 1: is alive, and so we can't interact with them at all.

497
00:24:03,359 --> 00:24:05,639
Speaker 1: They would be like in a different space. I mean,

498
00:24:05,680 --> 00:24:07,879
Speaker 1: there's be a universe be just as valid. It'd be

499
00:24:08,119 --> 00:24:10,000
Speaker 1: ice cream and pretzels and all sorts of stuff in

500
00:24:10,040 --> 00:24:13,320
Speaker 1: that universe as well, although it would just be slightly different,

501
00:24:13,400 --> 00:24:15,160
Speaker 1: and we can't travel from one to the other. They're

502
00:24:15,200 --> 00:24:19,840
Speaker 1: like causally disconnected, right because they have a different past history, right,

503
00:24:19,920 --> 00:24:21,800
Speaker 1: So you can't get from one of the others. So

504
00:24:21,880 --> 00:24:24,840
Speaker 1: where is that one? That question requires you to like

505
00:24:24,920 --> 00:24:27,520
Speaker 1: put both of them in some space and then answer

506
00:24:27,760 --> 00:24:29,400
Speaker 1: the question of how to get from one to the other.

507
00:24:29,440 --> 00:24:31,840
Speaker 1: But they're just different, you know. They're like it's like

508
00:24:31,920 --> 00:24:34,600
Speaker 1: asking how close is the page in this book to

509
00:24:34,680 --> 00:24:36,959
Speaker 1: that page and that other book? In China, you know,

510
00:24:37,080 --> 00:24:40,800
Speaker 1: like they're in different books, you know, right, okay, yeah,

511
00:24:40,840 --> 00:24:42,680
Speaker 1: so that's the quantum mechanical one, and that's sort of

512
00:24:42,760 --> 00:24:45,959
Speaker 1: mind blowing. And before people think, oh, that's ridiculous, remember

513
00:24:46,000 --> 00:24:49,080
Speaker 1: that there is no satisfactory answer to the question in

514
00:24:49,160 --> 00:24:51,760
Speaker 1: quantum mechanics of how that randomness is chosen.

515
00:24:52,280 --> 00:24:55,440
Speaker 3: Why do electron turn left and not right?

516
00:24:55,600 --> 00:24:58,879
Speaker 1: Yes? Exactly? Why left and not right? Yeah? And so

517
00:24:58,960 --> 00:25:01,080
Speaker 1: that randomness is for us, right, and you'd like to

518
00:25:01,119 --> 00:25:02,680
Speaker 1: have an answer, and the answer we have from quantum

519
00:25:02,680 --> 00:25:06,000
Speaker 1: mechanics to the Copenhagen interpretation. The alternative to the multi

520
00:25:06,000 --> 00:25:09,040
Speaker 1: worlds says that it makes a choice. The universe throws

521
00:25:09,040 --> 00:25:12,280
Speaker 1: a dice, right, Like that's kind of crazy. Also, you know,

522
00:25:12,440 --> 00:25:14,679
Speaker 1: like where is this dice? Who's in charge of throwing it?

523
00:25:14,760 --> 00:25:16,919
Speaker 1: How does it work? You know, is it really random?

524
00:25:17,200 --> 00:25:20,280
Speaker 3: Why not strange? I find it natural, doesn't you know?

525
00:25:20,400 --> 00:25:22,399
Speaker 3: Like the universe just made the decision, and that's what

526
00:25:22,480 --> 00:25:22,760
Speaker 3: it is.

527
00:25:23,720 --> 00:25:25,560
Speaker 1: You like to live in a very decisive universe.

528
00:25:25,600 --> 00:25:33,840
Speaker 3: It's just like move forwards, yeah, you know. Okay, So

529
00:25:34,240 --> 00:25:40,760
Speaker 3: that's the quantum mechanics multi world version of a multiverse.

530
00:25:41,000 --> 00:25:41,640
Speaker 1: Yeah exactly.

531
00:25:41,680 --> 00:25:43,560
Speaker 3: And so you're saying there's a fourth type, right.

532
00:25:43,440 --> 00:25:45,800
Speaker 1: And so we're getting crazier and crazier. Yeah, that was

533
00:25:45,840 --> 00:25:48,800
Speaker 1: the rainbow, Subert. So now where it's like, I don't know,

534
00:25:48,840 --> 00:25:50,399
Speaker 1: this is the version of the multi verse where you

535
00:25:50,440 --> 00:25:55,160
Speaker 1: like empty the freezer and mix everything together in a blender. Okay,

536
00:25:57,119 --> 00:26:01,639
Speaker 1: rainbow rainbow Srbert Pistachio, I put in some liquorice in there.

537
00:26:02,200 --> 00:26:06,280
Speaker 1: This is the idea that every possible theory of physics

538
00:26:06,640 --> 00:26:10,199
Speaker 1: has its own universe, right. And to think about this

539
00:26:10,280 --> 00:26:13,600
Speaker 1: you have to think about the relationship between physics and math. Right,

540
00:26:13,680 --> 00:26:16,280
Speaker 1: So we use math to describe what's happening in the

541
00:26:16,320 --> 00:26:19,280
Speaker 1: physical universe, right, But sometimes you can come up with

542
00:26:19,320 --> 00:26:23,080
Speaker 1: a theory that doesn't reflect what's actually happening. Right, And

543
00:26:23,119 --> 00:26:25,760
Speaker 1: this happens all the time. Theorists physicists come up with

544
00:26:25,800 --> 00:26:27,960
Speaker 1: ideas like, oh, maybe the universe works this way. I

545
00:26:27,960 --> 00:26:31,280
Speaker 1: have a beautiful mathematical theory which could describe a universe.

546
00:26:31,640 --> 00:26:33,000
Speaker 1: But then they go and they check it in, No,

547
00:26:33,160 --> 00:26:34,200
Speaker 1: doesn't describe our universe.

548
00:26:34,480 --> 00:26:38,440
Speaker 3: Like I could say F equals three M, yeah, and

549
00:26:38,640 --> 00:26:40,560
Speaker 3: that would be a theory of a universe, but it

550
00:26:40,600 --> 00:26:43,439
Speaker 3: wouldn't describe what's happening around me.

551
00:26:43,680 --> 00:26:46,480
Speaker 1: Yeah, exactly. I mean, not that specific example, but that's

552
00:26:46,520 --> 00:26:49,600
Speaker 1: the general idea construct a different set of physical laws

553
00:26:49,680 --> 00:26:52,360
Speaker 1: that are self consistent. Right. They have to be self consistent,

554
00:26:52,400 --> 00:26:55,640
Speaker 1: non contradictory, and have all the right mathematical properties. There

555
00:26:55,640 --> 00:26:59,359
Speaker 1: are more theories of physics than just the one that

556
00:26:59,400 --> 00:27:03,879
Speaker 1: describes universe. Right, So Max Tegmark, he thinks that the

557
00:27:03,960 --> 00:27:07,919
Speaker 1: universe is mathematical, right, that because the universe can be

558
00:27:07,960 --> 00:27:10,840
Speaker 1: represented by a mathematical construct, which is, you know, laws

559
00:27:10,840 --> 00:27:14,520
Speaker 1: of physics. That means that it is those laws of physics,

560
00:27:14,680 --> 00:27:17,919
Speaker 1: which means that if there are other laws of physics

561
00:27:17,960 --> 00:27:20,560
Speaker 1: that you could put together, they also have their own

562
00:27:20,680 --> 00:27:23,040
Speaker 1: real universes out there, and somewhere out there there is

563
00:27:23,080 --> 00:27:26,080
Speaker 1: a universe following F equals three m A or whatever.

564
00:27:26,080 --> 00:27:27,280
Speaker 1: The other laws of physics are.

565
00:27:27,720 --> 00:27:32,280
Speaker 3: Ah, not just the constant in our formulation of the

566
00:27:32,359 --> 00:27:35,680
Speaker 3: laws of physics, but just like a whole different equation.

567
00:27:35,960 --> 00:27:39,000
Speaker 1: Yeah, I mean, imagine far in the future we've answered

568
00:27:39,040 --> 00:27:41,040
Speaker 1: all the questions about the constants. We know why the

569
00:27:41,080 --> 00:27:43,080
Speaker 1: electron has a mass, it is why the Higgs is

570
00:27:43,119 --> 00:27:45,560
Speaker 1: where the gravity all this stuff. We still have the

571
00:27:45,640 --> 00:27:48,280
Speaker 1: laws themselves. We have to wonder, like why these laws?

572
00:27:48,480 --> 00:27:50,400
Speaker 1: Why does the universe follow these laws and not these

573
00:27:50,400 --> 00:27:52,840
Speaker 1: other very reasonable set of laws that my math professor

574
00:27:52,880 --> 00:27:56,200
Speaker 1: over there put together and could work for his own universe, right, Really,

575
00:27:56,280 --> 00:27:57,360
Speaker 1: why these are not some other?

576
00:27:58,040 --> 00:27:58,119
Speaker 6: So?

577
00:27:58,240 --> 00:28:00,800
Speaker 3: Like what are some things that could change mathically? Do

578
00:28:00,840 --> 00:28:03,280
Speaker 3: you know what I mean? Like F doesn't equal?

579
00:28:03,280 --> 00:28:05,639
Speaker 1: I mean, is that the only physics equation?

580
00:28:05,720 --> 00:28:05,919
Speaker 9: You know?

581
00:28:06,160 --> 00:28:07,879
Speaker 1: He you keep going back to that one. I'm going

582
00:28:07,920 --> 00:28:09,840
Speaker 1: to challenge you give me another physics equation.

583
00:28:09,880 --> 00:28:12,040
Speaker 3: I mean, I could say things like the Lagrangian and

584
00:28:12,080 --> 00:28:14,280
Speaker 3: potential energy, but you know, I'm not sure a lot

585
00:28:14,320 --> 00:28:15,520
Speaker 3: of people understand that.

586
00:28:16,920 --> 00:28:19,520
Speaker 1: No, that's exactly right, Like there are i mean, even

587
00:28:19,560 --> 00:28:22,439
Speaker 1: the whole concept of how energy works. Right, Like we

588
00:28:22,520 --> 00:28:25,159
Speaker 1: talked to another podcast about the theory of everything, How everything

589
00:28:25,160 --> 00:28:28,160
Speaker 1: we're discovering is just the consequence of the universe at

590
00:28:28,160 --> 00:28:30,560
Speaker 1: its lowest level. You know, is the universe at its

591
00:28:30,560 --> 00:28:33,600
Speaker 1: lowest level strings and they have some interaction and everything

592
00:28:33,640 --> 00:28:36,840
Speaker 1: follows from that. Or are they tiny quantum loops or

593
00:28:36,920 --> 00:28:39,320
Speaker 1: are they point particles in the way they interact? Right,

594
00:28:39,360 --> 00:28:43,320
Speaker 1: Everything that that they that makes the universe universy comes

595
00:28:43,320 --> 00:28:45,320
Speaker 1: from its basic structure, and so you could ask like,

596
00:28:45,920 --> 00:28:48,240
Speaker 1: could its basic structure be different? Could those rules of

597
00:28:48,240 --> 00:28:49,320
Speaker 1: interaction be different?

598
00:28:49,480 --> 00:28:49,680
Speaker 4: Right?

599
00:28:51,040 --> 00:28:53,360
Speaker 1: Yeah, and you can you can start from a totally

600
00:28:53,400 --> 00:28:55,680
Speaker 1: different point and say I'm going to build a universe

601
00:28:55,680 --> 00:28:58,240
Speaker 1: out of tiny puppies, right, and they interact in this way,

602
00:28:58,280 --> 00:29:00,920
Speaker 1: and then you can get a universe. Right, Like, build

603
00:29:00,960 --> 00:29:02,719
Speaker 1: a universe. What would it look like? Maybe it wouldn't

604
00:29:02,720 --> 00:29:05,000
Speaker 1: be very interesting, Maybe it wouldn't have this rich, complex

605
00:29:05,000 --> 00:29:08,240
Speaker 1: structure that we have right, right, but it's a valid universe.

606
00:29:08,520 --> 00:29:10,480
Speaker 1: You could have a universe with nothing in it, a

607
00:29:10,560 --> 00:29:14,000
Speaker 1: completely empty universe. Right there, you go, nothing in it,

608
00:29:14,040 --> 00:29:16,920
Speaker 1: no interactions, Boom, there's a lot of there's a theory

609
00:29:16,920 --> 00:29:17,880
Speaker 1: of physics.

610
00:29:17,680 --> 00:29:20,320
Speaker 3: That might be out there, right, that's the idea.

611
00:29:20,480 --> 00:29:23,400
Speaker 1: That's the idea that if there's a consistent set of laws,

612
00:29:23,520 --> 00:29:26,760
Speaker 1: then it exists. Right. That would be like the you know,

613
00:29:26,800 --> 00:29:29,840
Speaker 1: the all black chocolate, that deep chocolate is nothing in it.

614
00:29:29,920 --> 00:29:31,800
Speaker 3: Okay, So let me see if I can break this down.

615
00:29:32,400 --> 00:29:36,200
Speaker 3: There's four kinds of multiverses. The first kind of multiverse

616
00:29:36,320 --> 00:29:38,600
Speaker 3: is one of where it's just so big that you

617
00:29:38,720 --> 00:29:41,120
Speaker 3: can live in different neighborhoods of it. That's right, and

618
00:29:41,280 --> 00:29:44,040
Speaker 3: which might be different versions of each other, just because

619
00:29:44,400 --> 00:29:46,480
Speaker 3: space is infinite and you're at some point going to

620
00:29:46,520 --> 00:29:49,960
Speaker 3: repeat this universe, but maybe slightly different within our own

621
00:29:50,080 --> 00:29:52,680
Speaker 3: still sort of universe space exactly.

622
00:29:52,760 --> 00:29:55,560
Speaker 1: And those different neighborhoods are all different because they started

623
00:29:55,600 --> 00:29:58,880
Speaker 1: slightly differently in the very beginning, and that's the randomness

624
00:29:58,920 --> 00:30:02,520
Speaker 1: that that first vanilla the multiverses is exploring, Okay, very

625
00:30:02,560 --> 00:30:04,200
Speaker 1: beginning of how the particles were put together.

626
00:30:04,400 --> 00:30:07,959
Speaker 3: Okay, version number two, the chocolate chip is ways out

627
00:30:07,960 --> 00:30:10,960
Speaker 3: the chocolate chip. Yeah, the chocolate chip is that maybe

628
00:30:11,000 --> 00:30:14,600
Speaker 3: there are other pockets in our universe where the constant

629
00:30:14,840 --> 00:30:17,520
Speaker 3: of our the loss of physics, are different. And then

630
00:30:17,560 --> 00:30:20,080
Speaker 3: there's a version, the quantum mechanics version, where that says

631
00:30:20,160 --> 00:30:22,720
Speaker 3: every time you open the box and the cat dies,

632
00:30:22,960 --> 00:30:25,440
Speaker 3: that generates a whole universe. And there's one where the

633
00:30:25,560 --> 00:30:30,200
Speaker 3: loss of physics itself, the math changes from universe to universe,

634
00:30:30,360 --> 00:30:30,840
Speaker 3: that's right.

635
00:30:30,920 --> 00:30:34,040
Speaker 1: Yeah, And for comic book fans, we can have a

636
00:30:34,120 --> 00:30:37,520
Speaker 1: level five, which is Marvel Universe versus DC Universe versus

637
00:30:37,600 --> 00:30:39,360
Speaker 1: independent Upstart comic universe.

638
00:30:39,440 --> 00:30:41,800
Speaker 3: Yeah, but then you had infinite crisis on infinite Earth

639
00:30:41,880 --> 00:30:44,960
Speaker 3: and that all collapse and then you have to reboot

640
00:30:45,120 --> 00:30:47,480
Speaker 3: fifty two a few years ago, and there's a version

641
00:30:47,480 --> 00:30:50,040
Speaker 3: of the universe where the DC movies are actually good.

642
00:30:50,120 --> 00:30:56,400
Speaker 1: But you know therese are Oh I like the DC movies. No, yes,

643
00:30:56,440 --> 00:30:59,520
Speaker 1: they are good. I am pro d c oh Man.

644
00:30:59,760 --> 00:31:01,680
Speaker 3: You you are the anti Danieler.

645
00:31:03,840 --> 00:31:08,520
Speaker 1: That's right, We're gonna have a DC versus Marvel throwdown.

646
00:31:09,400 --> 00:31:11,520
Speaker 3: On that note, let's take a quick break.

647
00:31:16,240 --> 00:31:18,000
Speaker 1: When you pop a piece of cheese into your mouth

648
00:31:18,120 --> 00:31:21,280
Speaker 1: or enjoy a rich spoonful of Greek yogurt, you're probably

649
00:31:21,320 --> 00:31:25,360
Speaker 1: not thinking about the environmental impact of each and every bite.

650
00:31:25,400 --> 00:31:28,000
Speaker 1: But the people in the dairy industry are. US Dairy

651
00:31:28,040 --> 00:31:32,320
Speaker 1: has set themselves some ambitious sustainability goals, including being greenhouse

652
00:31:32,360 --> 00:31:34,960
Speaker 1: gas neutral by twenty to fifty That's why they're working

653
00:31:34,960 --> 00:31:37,320
Speaker 1: hard every day to find new ways to reduce waste,

654
00:31:37,400 --> 00:31:41,600
Speaker 1: conserve natural resources, and drive down greenhouse gas emissions. Take water,

655
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Speaker 3: So those are That's kind of the breakdown of all

691
00:33:42,760 --> 00:33:45,760
Speaker 3: the different kinds of multiverses. But at the course, the

692
00:33:45,800 --> 00:33:49,560
Speaker 3: same idea is that there are different versions of our

693
00:33:49,680 --> 00:33:51,640
Speaker 3: universe out there in existence.

694
00:33:51,880 --> 00:33:52,280
Speaker 1: That's right.

695
00:33:52,440 --> 00:33:54,400
Speaker 3: My big question is how are we ever going to

696
00:33:54,440 --> 00:33:57,560
Speaker 3: know if these other universes exist? Like, is it even

697
00:33:57,640 --> 00:34:01,720
Speaker 3: possible to verify that they're there, that they exist, and

698
00:34:01,840 --> 00:34:03,440
Speaker 3: could we get there? Ever?

699
00:34:03,720 --> 00:34:06,480
Speaker 1: The short answer is probably not right, And the long

700
00:34:06,520 --> 00:34:08,960
Speaker 1: answer is it depends on the flavor of multiverse. We're

701
00:34:09,000 --> 00:34:12,000
Speaker 1: talking about the simplest one. We were talking about, you know,

702
00:34:12,320 --> 00:34:14,600
Speaker 1: things that are just sort of far away. Then yeah,

703
00:34:14,680 --> 00:34:17,640
Speaker 1: you just wait long enough, and eventually the light from

704
00:34:17,640 --> 00:34:19,480
Speaker 1: there will reach us, and we will see that other

705
00:34:19,560 --> 00:34:22,359
Speaker 1: version of you that married that other person and you know,

706
00:34:22,640 --> 00:34:24,680
Speaker 1: didn't have kids and gets to spend their money on

707
00:34:24,760 --> 00:34:27,520
Speaker 1: cool bicycles and cars and all sorts of stuff. And

708
00:34:27,560 --> 00:34:29,880
Speaker 1: you can answer the question, what I've been happier.

709
00:34:30,120 --> 00:34:32,880
Speaker 3: Oh, you could zip through the universe. You would eventually

710
00:34:32,920 --> 00:34:34,360
Speaker 3: find another Earth.

711
00:34:34,640 --> 00:34:38,680
Speaker 1: Yeah, if the universe really is infinite and the initial

712
00:34:38,680 --> 00:34:42,000
Speaker 1: conditions are random, then everything that's possible will happen, and

713
00:34:42,040 --> 00:34:44,200
Speaker 1: you just have to go far enough away. Max Techbar

714
00:34:44,280 --> 00:34:47,000
Speaker 1: tried to calculate, like how far is that away from us?

715
00:34:47,160 --> 00:34:49,960
Speaker 1: Is that other you? You got some ridiculous numbers like

716
00:34:50,040 --> 00:34:53,440
Speaker 1: ten to the ten to the one hundred, so like,

717
00:34:53,520 --> 00:34:55,000
Speaker 1: I mean, that's a number that's bigger than I can

718
00:34:55,040 --> 00:34:57,160
Speaker 1: even imagine. Remember it's ten to the eighty is the

719
00:34:57,239 --> 00:34:59,400
Speaker 1: number of particles in the universe, So ten to the

720
00:34:59,440 --> 00:35:02,719
Speaker 1: ten to the one one hundred is like a good jigabilion.

721
00:35:03,880 --> 00:35:05,680
Speaker 1: But in principle, that person is out there.

722
00:35:05,960 --> 00:35:08,480
Speaker 3: It's out there, it's just separated by distance from us.

723
00:35:08,880 --> 00:35:13,040
Speaker 1: Yeah, so that's one possible multiverse that you could actually test,

724
00:35:13,040 --> 00:35:16,040
Speaker 1: but it would take forever and so it's not really satisfying.

725
00:35:16,880 --> 00:35:19,759
Speaker 1: The other flavors are mostly different spaces, you know, like

726
00:35:20,080 --> 00:35:22,160
Speaker 1: the ones where the laws of physics are different or

727
00:35:22,440 --> 00:35:25,360
Speaker 1: quantum mechanics has made a different choice. Those universes we

728
00:35:25,400 --> 00:35:28,400
Speaker 1: can't ever visit, We can't interact with them. Almost by construction,

729
00:35:28,480 --> 00:35:30,960
Speaker 1: there's no way to interact with them. And so if

730
00:35:30,960 --> 00:35:32,920
Speaker 1: you can't interact with them, you can't like send a

731
00:35:33,000 --> 00:35:36,440
Speaker 1: probe or get data from them. You know, then there's

732
00:35:36,440 --> 00:35:38,759
Speaker 1: no way to ever prove that they exist. You know,

733
00:35:38,800 --> 00:35:41,480
Speaker 1: there's no way to ever say here, we can visit them,

734
00:35:41,640 --> 00:35:44,919
Speaker 1: or we can we can demonstrate conclusively that it's real

735
00:35:44,960 --> 00:35:46,239
Speaker 1: and not just an idea.

736
00:35:46,040 --> 00:35:49,319
Speaker 3: Like we can't ever touch it, touch of those other

737
00:35:49,400 --> 00:35:51,759
Speaker 3: universes or get there. But you're saying that you were

738
00:35:51,800 --> 00:35:53,799
Speaker 3: telling me the to day that we might be able

739
00:35:53,840 --> 00:35:55,920
Speaker 3: to prove mathematically that they exist.

740
00:35:56,120 --> 00:36:00,440
Speaker 1: Yeah. There's a nice argument by several people, including Shot Carol,

741
00:36:00,480 --> 00:36:03,160
Speaker 1: that says that what if you had a theory of

742
00:36:03,200 --> 00:36:06,640
Speaker 1: physics which require the multiverse, right, what if the only

743
00:36:06,800 --> 00:36:09,920
Speaker 1: theory of physics we could come up with here require

744
00:36:10,000 --> 00:36:12,439
Speaker 1: there to be other universes, and the hard work there

745
00:36:12,480 --> 00:36:13,239
Speaker 1: is figuring that out.

746
00:36:13,520 --> 00:36:15,759
Speaker 3: Meaning in theory, you could know that there is a

747
00:36:15,840 --> 00:36:19,680
Speaker 3: multiverse and that other multiverses exist, but you could still

748
00:36:19,920 --> 00:36:21,720
Speaker 3: not be able to touch and re visit them.

749
00:36:21,800 --> 00:36:25,080
Speaker 1: Yeah, exactly, it's hard to come up with a theory

750
00:36:25,320 --> 00:36:29,320
Speaker 1: that absolutely requires the existence of the multiverse. The unique

751
00:36:29,360 --> 00:36:32,120
Speaker 1: solution to the theory is that the multiverse exists. So

752
00:36:32,719 --> 00:36:35,160
Speaker 1: in principle, I think Sean is right, it's possible, but

753
00:36:35,200 --> 00:36:37,560
Speaker 1: I think it's very difficult to construct that kind of

754
00:36:37,600 --> 00:36:39,440
Speaker 1: theory to prove the multiverse exists.

755
00:36:39,800 --> 00:36:43,319
Speaker 3: So so it kind of seems like it's kind of

756
00:36:43,360 --> 00:36:46,480
Speaker 3: a if we can't ever go to these other universes

757
00:36:46,640 --> 00:36:50,279
Speaker 3: or visit them, it's almost like it's pretty much just

758
00:36:50,360 --> 00:36:53,399
Speaker 3: the U universe, you know, like that's right, the one

759
00:36:53,440 --> 00:36:56,200
Speaker 3: we have is pretty much it for us. It's pretty

760
00:36:56,280 --> 00:36:58,960
Speaker 3: much the only one we have, right for all.

761
00:36:58,800 --> 00:37:01,880
Speaker 1: Practice vises, and I think that's where we should focus.

762
00:37:02,400 --> 00:37:04,880
Speaker 1: And the reason I'm down on the multiverse is that

763
00:37:04,920 --> 00:37:07,080
Speaker 1: I feel like a little bit it's it's giving up,

764
00:37:07,120 --> 00:37:08,719
Speaker 1: you know, it's saying, Okay, we don't know what the

765
00:37:08,719 --> 00:37:11,720
Speaker 1: massive electron is. But maybe there is no answer, Maybe

766
00:37:11,719 --> 00:37:13,680
Speaker 1: the electron is different here and somewhere else, and so

767
00:37:13,760 --> 00:37:16,759
Speaker 1: let's just stop asking. And I never want to stop asking, right,

768
00:37:16,800 --> 00:37:18,840
Speaker 1: I always want to say, maybe there's another theory that

769
00:37:18,880 --> 00:37:21,200
Speaker 1: explains it. Maybe there's a way to unravel this mystery.

770
00:37:21,680 --> 00:37:24,759
Speaker 1: So the multiverse and the anthropic principle, it's a way

771
00:37:24,800 --> 00:37:27,640
Speaker 1: of sort of shrugging and saying, oh no, and that's

772
00:37:27,640 --> 00:37:28,360
Speaker 1: not very science.

773
00:37:28,320 --> 00:37:30,600
Speaker 3: Do you want to keep it? Taking that whole look

774
00:37:30,680 --> 00:37:34,800
Speaker 3: for that one sort of unifying theory that explains.

775
00:37:34,440 --> 00:37:37,799
Speaker 1: Yeah, exact universe. So far, we've been making progress so far,

776
00:37:37,920 --> 00:37:41,279
Speaker 1: we've figured things out. So far, when things have seemed inexplicable,

777
00:37:41,320 --> 00:37:44,600
Speaker 1: we'd rerealized why they had to be that way, and

778
00:37:44,640 --> 00:37:46,279
Speaker 1: it turned out there could have been no other way

779
00:37:46,360 --> 00:37:49,360
Speaker 1: because we understood something in a level deeper which explained it.

780
00:37:49,440 --> 00:37:51,319
Speaker 1: So I think the multiverse and we're going to look

781
00:37:51,320 --> 00:37:52,960
Speaker 1: back on it one hundred years and laugh, you know,

782
00:37:53,560 --> 00:37:55,759
Speaker 1: and we'll say, oh, those guys had no idea what

783
00:37:55,920 --> 00:37:58,759
Speaker 1: was going on. Everything they thought was random was determined

784
00:37:58,760 --> 00:38:00,839
Speaker 1: by laws of physics they just had discovered yet.

785
00:38:00,960 --> 00:38:03,200
Speaker 3: Yeah, but I think you're right. I think The lesson

786
00:38:03,320 --> 00:38:06,239
Speaker 3: is to really focus on the one universe we have.

787
00:38:06,480 --> 00:38:08,440
Speaker 1: You know, this is the only one I've got, so

788
00:38:09,080 --> 00:38:11,120
Speaker 1: I'm going to spend my time trying to figure it out.

789
00:38:11,440 --> 00:38:13,240
Speaker 3: So make your choices carefully.

790
00:38:13,600 --> 00:38:16,400
Speaker 1: That's right. That's right, because you only have one go

791
00:38:16,520 --> 00:38:20,000
Speaker 1: around so far until physics finds the multiverse.

792
00:38:20,520 --> 00:38:23,080
Speaker 3: All right, thank you for joining us. I hope you

793
00:38:23,200 --> 00:38:25,440
Speaker 3: enjoyed that, or I hope there's a version of the

794
00:38:25,520 --> 00:38:26,200
Speaker 3: universe where you.

795
00:38:26,320 --> 00:38:29,040
Speaker 1: Enjoyed that and I understood it as well.

796
00:38:29,160 --> 00:38:30,000
Speaker 3: See you next time.

797
00:38:30,120 --> 00:38:40,799
Speaker 1: Thanks for listening. If you still have a question after

798
00:38:40,840 --> 00:38:44,000
Speaker 1: listening to all these explanations, please drop us a line.

799
00:38:44,040 --> 00:38:46,160
Speaker 1: We'd love to hear from you. You can find us

800
00:38:46,200 --> 00:38:49,960
Speaker 1: at Facebook, Twitter, and Instagram at Daniel and Jorge that's

801
00:38:50,000 --> 00:39:02,080
Speaker 1: one word, or email us at Feedback at Danielandjorge dot com.

802
00:39:03,880 --> 00:39:05,640
Speaker 1: When you pop a piece of cheese into your mouth,

803
00:39:05,640 --> 00:39:08,960
Speaker 1: you're probably not thinking about the environmental impact, but the

804
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Speaker 1: people in the dairy industry are. That's why they're working

805
00:39:11,880 --> 00:39:14,479
Speaker 1: hard every day to find new ways to reduce waste,

806
00:39:14,600 --> 00:39:18,880
Speaker 1: conserve natural resources, and drive down greenhouse gas emissions. House

807
00:39:19,000 --> 00:39:23,360
Speaker 1: US dairy tackling greenhouse gases, many farms use anaerobic digestors

808
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Speaker 1: to turn the methane from manure into renewable energy that

809
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Speaker 1: can power farms, towns, and electric cars. Visit you as

810
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Speaker 1: Dairy dot COM's Last Sustainability to learn more.

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